Method of recovering copper from a dilute metal containing solution
US-10934192-B2 · Mar 2, 2021 · US
of noble metals
of noble metals · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25C1/20 |
| Official title | of noble metals |
| Display label | of noble metals |
| Total patents | 108 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 9 |
| 2023 | 15 |
| 2024 | 9 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
METAL AND TIN ALLOY HAVING LOW alpha-RAY EMISSION, AND METHOD FOR PRODUCING SAME
US-2020385843-A1 · Dec 10, 2020 · US
A method of recovering copper from a dilute metal containing solution
US-2020377393-A1 · Dec 3, 2020 · US
Method for producing metallic silver by electro-deposition
US-2020248325-A1 · Aug 6, 2020 · US
Methods and systems for producing a metal chloride or the like
US-10704152-B2 · Jul 7, 2020 · US
Systems and methods for producing metal clusters; functionalized surfaces; and droplets including solvated metal ions
US-10683579-B2 · Jun 16, 2020 · US
A method of recovering Pt or Ag or Pt and Ag from sulfate based metal solutions
US-2020141016-A1 · May 7, 2020 · US
Systems and methods for producing metal clusters; functionalized surfaces; and droplets including solvated metal ions
US-2020024762-A1 · Jan 23, 2020 · US
Dielectric barrier discharge plasma method and apparatus for synthesizing metal particles
US-10513790-B2 · Dec 24, 2019 · US
Reactor systems for recovering metals, and related methods
US-2019352742-A1 · Nov 21, 2019 · US
Methods for recovering metals from electronic waste, and related systems
US-10378081-B2 · Aug 13, 2019 · US
Dendritic silver powder
US-10357824-B2 · Jul 23, 2019 · US
Metal catalyst, method for manufacturing the metal catalyst and electrochemical reduction method
US-10358731-B2 · Jul 23, 2019 · US
Methods and systems for producing a metal chloride or the like
US-2019211460-A1 · Jul 11, 2019 · US
Systems and methods for producing metal clusters; functionalized surfaces; and droplets including solvated metal ions
US-10329679-B2 · Jun 25, 2019 · US
Valuable metal selectively adsorbing electrode and method for selectively recovering valuable metals
US-10323331-B2 · Jun 18, 2019 · US
Electroplating apparatus and process for wafer level packaging
US-10309024-B2 · Jun 4, 2019 · US
Electrochemical Deposition for Metal Ion Extraction/Removal from Water
US-2019135638-A1 · May 9, 2019 · US
Systems and methods for producing metal clusters; functionalized surfaces; and droplets including solvated metal ions
US-2019024250-A1 · Jan 24, 2019 · US
Dendritic silver powder
US-2018326478-A1 · Nov 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25C1/20?
- CPC C25C1/20 is the Cooperative Patent Classification code for “of noble metals.”
- How many patents are filed under CPC C25C1/20 (of noble metals)?
- Our database includes 108 publications tagged with this CPC code.
- Is patent activity under CPC C25C1/20 growing?
- Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).